MediaWiki internal error.

Original exception: [21b5ac7668d15a9653e6823c] 2024-03-28 09:17:58: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; and $wgShowDBErrorBacktrace = true; at the bottom of LocalSettings.php to show detailed debugging information.